Addendum to L. Lauwers and L. Van Liedekerke, “Ultraproducts and aggregation” [J. Math. Econ. 24 (3) (1995) 217–237]

This addendum fills a minor gap in the key lemma of a paper by Lauwers and Van Liedekerke [Lauwers, L., Van Liedekerke, L., 1995. J. Math. Econ. 24 (3), 217–237].     

Corrigendum to “Characterization of the asymptotic distribution of semiparametric M-estimators” [J. Econometrics 159 (2) (2010) 252–266]

This note provides correction to Ichimura and Lee (2010).